SwitchRegAAT1160 800kHz high efficiency step-down DC/DC converter. Wit
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AAT1160
SwitchRegAAT1160 800kHz high efficiency step-down DC/DC converter. With wide input voltage range 4.0V 13.2V, AAT1160 ideal choice dualcell Lithium-ion battery-powered devices mid-power-range regulated 12V-powered industrial applications. internal power switches capable delivering load. AAT1160 highly integrated device, simplifying system-level design. Minimum external components required converter. AAT1160 optimizes efficiency throughout entire load range. operates combination PWM/Light Load mode improved light-load efficiency. also operate forced Pulse Width Modulation (PWM) mode easy control switching noise well faster transient response. high switching frequency allows small external components. current shutdown feature disconnects load from drops shutdown current less than AAT1160 available Pb-free, space-saving, thermally-enhanced 16-pin TDFN34 package rated over operating temperature range -40°C +85°C.
12V, Step-Down DC/DC Converter
Features
Input Voltage Range: 4.0V 13.2V Load Current Fixed Adjustable Output: Output Voltage: 0.6V 150A No-Load Operating Current Less than Shutdown Current Efficiency Integrated Power Switches 800kHz Switching Frequency Synchronizable External Clock Forced Light Load Mode Soft Start Function Short-Circuit Over-Temperature Protection Minimum External Components TDFN34-16 Package Temperature Range: -40°C +85°C
Applications
Distributed Power Systems Industrial Applications Laptop Computers Portable Players Portable Media Players Set-Top Boxes Monitors HDTVs
Typical Application
Input: 4.0V 13.2V 0.1F DGND SYNC COMP 150pF PGND AGND 3.8H 432k 2x22F Output: 0.94 Input
AAT1160
1160.2007.11.1.1
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AAT1160
SwitchRegDescriptions
12V, Step-Down DC/DC Converter
Symbol
Function
Power switching node. drain internal P-channel switch N-channel synchronous rectifier. Connect output inductor pins EP2. large exposed copper under package should used EP2. connected. Power source input. Connect input power source. Bypass DGND with greater capacitor. Connect both pins together close possible. additional 100nF ceramic capacitor should also connected between pins DGND, Exposed Digital Ground, DGND. exposed thermal (EP1) should connected board ground plane pins ground plane should include large exposed copper under package thermal dissipation (see package outline). Internal analog bias input. supplies internal power AAT1160. Connect input source voltage bypass AGND with 0.1F greater capacitor. additional noise rejection, connect input power source through lower value resistor. Internal bypass node. output voltage internal bypassed LDO. internal circuitry AAT1160 powered from LDO. draw external power from LDO. Bypass AGND with greater capacitor. Output voltage feedback input. senses output voltage regulation control. fixed output versions, connect output voltage. adjustable versions, drive from output voltage through resistive voltage divider. regulation threshold 0.6V. Control compensation node. Connect series network from COMP AGND, 150pF. Analog signal ground. Connect AGND PGND single point close possible. Frequency select synchronization input. Drive SYNC with 500kHz 1.6MHz signal synchronize AAT1160 switching frequency that signal. Sync also mode select input. Drive SYNC high connect low-noise forced mode. Drive SYNC high-efficiency PWM/ Light Load mode. Active high enable input. Drive high turn AAT1160; drive turn off. automatic startup, connect through 4.7k resistor. must biased high, biased low, driven logic level external source. float when device powered. Power ground. Connect AGND PGND single point close possible.
DGND
COMP AGND SYNC
PGND
Configuration
TDFN34-16 (Top View)
DGND
PGND SYNC DGND AGND COMP
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1160.2007.11.1.1
AAT1160
SwitchRegAbsolute Maximum Ratings1
Symbol
VIN, VAIN VSYNC
12V, Step-Down DC/DC Converter
Description
Input Voltage Voltage Voltage Voltage SYNC Voltage Operating Junction Temperature Range
Value
-0.3 -0.3 -0.3 -0.3 -0.3
Units
Thermal Information2
Symbol
Description
Maximum Power Dissipation3 Thermal Resistance
Value
Units
°C/W
Stresses above those listed Absolute Maximum Ratings cause permanent damage device. Functional operation conditions other than operating conditions specified implied. Only Absolute Maximum Rating should applied time. Mounted board. Derate 2.7mW/°C above 25°C.
1160.2007.11.1.1
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AAT1160
SwitchRegElectrical Characteristics1
4.0V 13.2V. COUT 22F; 2.2H 3.8H, -40°C +85°C, unless otherwise noted. Typical values 25°C. Symbol
VUVLO ISHDN VOUT VOUT VLINEREG/ VLOADREG IFBLEAK FOSC FSYNC RDS(ON)H RDS(ON)L ILIM ILXLEAK THYS VILEN VIHEN VILSYNC VIHSYNC
12V, Step-Down DC/DC Converter
Description
Input Voltage Range Input Under-Voltage Lockout Supply Current Shutdown Current Output Voltage Range Output Voltage Accuracy Line Regulation Load Regulation Feedback Reference Voltage (adjustable version) Leakage Current Oscillator Frequency External Clock Frequency Range Start-Up Time Foldback Frequency Maximum Duty Cycle Minimum Turn-On Time Soft-Start Time P-Channel Resistance N-Channel Resistance Efficiency PMOS Current Limit Leakage Current Over-Temperature Shutdown Threshold Over-Temperature Shutdown Hysteresis Logic Input Threshold Logic High Input Threshold SYNC Logic Input Threshold SYNC Logic High Input Threshold Input Current
Conditions
Rising Hysteresis Load
13.2
Units
IOUT 4.5V 13.2V 12V, VOUT IOUT Load, 25°C VOUT 1.2V Adjustable Version Fixed Version
-2.5 0.023 0.59 0.60
0.94 0.100
0.61
CMOS Logic Clock Signal SYNC IOUT VOUT
0.12 0.15 0.06 0.08 13.2V 1.62 -1.0
12V, VOUT IOUT
13.2V,
AAT1160 guaranteed meet performance specifications over -40°C +85°C operating temperature range assured design, characterization, correlation with statistical process controls.
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1160.2007.11.1.1
AAT1160
SwitchRegTypical Characteristics
Efficiency Load Current
(VOUT
12V, Step-Down DC/DC Converter
Load Regulation
(VOUT Output Voltage Difference
-0.1 -0.2 -0.3 -0.4 -0.5 0.0001 0.001 0.01
8.4V 13.2V
Efficiency
0.0001 0.001 0.01
8.4V
13.2V
Output Current
Output Current
Efficiency Load Current
(VOUT Mode) Output Voltage Difference
0.0001 0.001 0.01 -0.1 -0.2 -0.3 -0.4 -0.5 0.0001 0.001
Load Regulation
(VOUT Mode)
Efficiency
8.4V
13.2V 8.4V
13.2V
0.01
Output Current
Output Current
Efficiency Load Current
(VOUT 3.3V) Output Voltage Difference
0.0001 0.001 0.01 -0.2 -0.4 -0.6
Load Regulation
(VOUT 3.3V)
8.4V
Efficiency
13.2V
13.2V
8.4V
1000 10000
Output Current
Output Current (mA)
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AAT1160
SwitchRegTypical Characteristics
Efficiency Load Current
(VOUT 3.3V; Mode) Output Voltage Difference
1000 10000 -0.2 -0.4 -0.6
12V, Step-Down DC/DC Converter
Load Regulation
(VOUT 3.3V; Mode)
8.4V
Efficiency
13.2V
13.2V
8.4V
1000
10000
Output Current
Output Current (mA)
Line Regulation
(VOUT Output Voltage Difference
-0.1 -0.3 -0.5
Line Regulation
(VOUT 3.3V) Output Voltage Difference
0.05 0.04 0.03 0.02 0.01 -0.01 -0.02 -0.03 -0.04
1.5A
100mA 10mA
10mA
100mA
1.5A
Input Voltage
Input Voltage
Switching Current Input Voltage
(VOUT
Switching Current Temperature
85°C Current (µA)
Current (µA)
85°C
25°C -40°C
-40°C
Input Voltage
Temperature (°C)
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1160.2007.11.1.1
AAT1160
SwitchRegTypical Characteristics
N-Channel RDS(ON) Temperature
12V, Step-Down DC/DC Converter
P-Channel RDS(ON) Temperature
(VIN
Resistance
Resistance
Temperature (°C)
Temperature (°C)
Switching Frequency Temperature
Switching Frequency (Hz)
Line Transient
(VOUT 5.0V; 100pF; 7.6V 11V; IOUT 10µF; COUT 22µF; 3.8µH) Output Current (bottom)
5.30 5.25 5.20 5.15 5.10 5.05 5.00 4.95 4.90
Input Voltage (top)
Temperature (°C)
Time (100µs/div)
(VOUT 5.0V; 100pF; RLOAD 1.67; 10µF; COUT 22µF; 3.8µH) Enable Voltage (top) Output Voltage (top)
Start-Up Time
Load Transient
(VOUT 5.0V; 100pF; IOUT 10µF; COUT 22µF; 3.8µH)
Load Inductor Current (bottom)
Input Current (bottom)
VOUT
LOAD
ILOAD
Time (500µs/div)
Time (100µs/div)
1160.2007.11.1.1
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AAT1160
SwitchRegTypical Characteristics
Load Transient
(VOUT 5.0V; 100pF; IOUT 10mA 10µF; COUT 22µF; 3.8µH) Load Inductor Current (bottom) Output Voltage (top)
12V, Step-Down DC/DC Converter
SYNC Mode
(VOUT 5.0V; 100pF; SYNC 1.4MHz; IOUT 10µF; COUT 22µF; 3.8µH)
(bottom)
SYNC (top)
LOAD
Time (100µs/div)
Time (200ns/div)
SYNC Mode
Output Voltage Difference (VOUT 5.0V; 100pF; SYNC 500kHz; IOUT 10µF; COUT 2x22µF; 3.8µH)
-0.2 -0.4 -0.6 -0.8
VOUT Temperature
(VOUT 3.3V; ILOAD 1.5A)
(bottom)
SYNC (top)
Time (500ns/div)
Temperature (°C)
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1160.2007.11.1.1
AAT1160
SwitchRegFunctional Block Diagram
12V, Step-Down DC/DC Converter
Note Internal Power Current Sense Error Current Mode Comparator Control Logic
Reference
PGND AGND DGND
SYNC
COMP Note fixed output voltage versions, connected error amplifier through resistive voltage divider shown.
Functional Description
AAT1160 current-mode step-down DC/DC converter that operates over wide 13.2V input voltage range capable supplying load with output voltage regulated 0.6V. Both P-channel power switch N-channel synchronous rectifier internal, reducing number external components required. output voltage adjusted external resistor divider; fixed output voltage versions available upon request. regulation system externally compensated, allowing circuit optimized each application. AAT1160 includes cycle-by-cycle current limiting, frequency foldback improved short-circuit performance, thermal overload protection prevent damage event external fault condition.
Control Loop
AAT1160 regulates output voltage using constant frequency current mode control. AAT1160 monitors current through high-side P-channel MOSFET uses that signal regulate output voltage. This provides improved transient response eases compensation. Internal slope compensation included ensure current "inside loop" stability. High efficiency maintained under light load conditions automatically switching variable frequency Light Load control. this condition, transition losses reduced operating lower frequency light loads.
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AAT1160
SwitchRegShort-Circuit Protection
AAT1160 uses cycle-by-cycle current limit protect itself load from external fault condition. When inductor current reaches internally 6.0A current limit, P-channel MOSFET switch turns N-channel synchronous rectifier turned limiting inductor load current. During overload condition, when output voltage drops below regulation voltage (0.15V FB), AAT1160 switching frequency drops factor This gives inductor current ample time reset during time prevent inductor current from rising uncontrolled short-circuit condition.
12V, Step-Down DC/DC Converter
Applications Information
Setting Output Voltage
Figure shows basic application circuit AAT1160 output setting resistors. Resistors program output regulate voltage higher than 0.6V. limit bias current required external feedback resistor string while maintaining good noise immunity, minimum suggested value 5.9k. Although larger value will further reduce quiescent current, will also increase impedance feedback node, making more sensitive external noise interference. Table summarizes resistor values various output voltages with either 5.9k good noise immunity reduced load input current.
4.5V DGND DGND PGND DGND 150pF 3.8H 100pF VOUT 43.2k 5.9k 2x22F
Thermal Protection
AAT1160 includes thermal protection that disables regulator when temperature reaches automatically restarts when temperature decreases more.
Frequency Synchronization
AAT1160 operates fixed 800kHz switching frequency, synchronized external signal. Synchronize switching external signal between 500kHz 1.6MHz driving SYNC with that signal. this mode, rising edge signal SYNC turns P-channel switch. When changing switching frequency, external components CIN, COUT must changed according component equations. external clock duty cycle limited range.
0.1F
AAT1160
COMP AGND SYNC
Figure Typical Application Circuit. adjustable feedback resistors, combined with external feed forward capacitor Figure deliver enhanced transient response extreme pulsed load applications. addition feed forward capacitor typically requires larger output capacitor C3/C4 stability. Larger C3/C4 values reduce overshoot undershoot during startup load changes. However, exceed 470pF maintain stable operation. external resistors output voltage according following equation:
Light Load Mode
device operate forced Pulse Width Modulation (PWM) mode filter switching noise desired frequency connecting SYNC high logic level. Alternately, combination PWM/LL (Light Load) mode improved light load efficiency connecting SYNC logic level. When connecting SYNC external clock signal, device always forced mode.
VOUT 0.6V
VOUT
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1160.2007.11.1.1
AAT1160
SwitchRegTable shows resistor selection different output voltage settings. 5.9k
1.96 2.94 3.92 4.99 5.90 6.81 7.87 8.87 11.8 12.4 13.7 18.7 26.7 43.2
12V, Step-Down DC/DC Converter
recommended inductor 3.8H. 3.3V below, 2.2H inductor. optimum voltagepositioning load transients, choose inductor with series resistance range. higher efficiency heavy loads (above 1A), minimal load regulation (but some transient overshoot), resistance should kept below 18m. current rating inductor should least equal maximum load current plus half ripple current prevent core saturation 526mA). Table lists some typical surface mount inductors that meet target applications AAT1160. Manufacturer's specifications list both inductor current rating, which thermal limitation, peak current rating, which determined saturation characteristics. inductor should show appreciable saturation under normal load conditions. Some inductors meet peak average current ratings result excessive losses high DCR. Always consider losses associated with effect total converter efficiency when selecting inductor. example, 3.7H CDR7D43 series inductor selected from Sumida 18.9m 4.3ADC current rating. full load, inductor loss 170mW which gives only 1.13% loss efficiency output.
VOUT
1.85
19.6 29.4 39.2 49.9 59.0 68.1 78.7 88.7
Table Resistor Selection Different Output Voltage Settings. Standard Resistors Substituted Calculated Values.
Inductor Selection
most designs, AAT1160 operates with inductors 4.7H. inductance values physically smaller, require faster switching, which results some efficiency loss. inductor value derived from following equation:
Input Capacitor Selection
input capacitor reduces surge current drawn from input switching noise from device. input capacitor impedance switching frequency shall less than input source impedance prevent high frequency switching current passing input. input capacitor sized maximum current must used. Ceramic capacitors with dielectrics highly recommended because their small temperature coefficients. ceramic capacitor sufficient most applications.
VOUT (VIN VOUT) FOSC
Where inductor ripple current. Large value inductors lower ripple current small value inductors result high ripple currents. Choose inductor ripple current approximately maximum load current 959mA. output voltages above 3.3V, mini-
Manufacturer
Sumida Sumida Coilcraft
Part Number
CDRH103RNP-2R2N CDR7D43MNNP-3R7NC MSS1038-382NL
16.9 18.9
Rated Current
5.10 4.25
Size WxLxH (mm)
10.3x10.5x3.1 7.6x7.6x4.5 10.2x7.7x3.8
Table Typical Surface Mount Inductors.
1160.2007.11.1.1
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AAT1160
SwitchRegestimate required input capacitor size, determine acceptable input ripple level (VPP) solve calculated value varies with input voltage maximum when double output voltage.
12V, Step-Down DC/DC Converter
high frequency content input current localized, minimizing input voltage ripple. proper placement input capacitor (C6) seen evaluation board layout Figure Additional noise filtering proper operation accomplished adding small 0.1F capacitor pins (C2). laboratory test set-up typically consists long wires running from bench power supply evaluation board input voltage pins. inductance these wires, along with low-ESR ceramic input capacitor, create high network that affect converter performance. This problem often becomes apparent form excessive ringing output voltage during load transients. Errors loop phase gain measurements also result. Since inductance short trace feeding input voltage significantly lower than power leads from bench power supply, most applications exhibit this problem. applications where input power source lead inductance cannot reduced level that does affect converter performance, high tantalum aluminum electrolytic should placed parallel with ESR, bypass ceramic. This dampens high network stabilizes system.
FOSC
FOSC
CIN(MIN)
Always examine ceramic capacitor voltage coefficient characteristics when selecting proper value. example, capacitance 10F, 16V, ceramic capacitor with applied actually about 8.5F. maximum input capacitor current
IRMS
Output Capacitor Selection
output capacitor required keep output voltage ripple small ensure regulation loop stability. output capacitor must have impedance switching frequency. Ceramic capacitors with dielectrics recommended their high ripple current. output ripple VOUT determined
input capacitor ripple current varies with input output voltage will always less than equal half total load current:
0.52
VOUT
IRMS(MAX)
VOUT (VIN VOUT) FOSC FOSC COUT
term appears both input voltage ripple input capacitor current equations maximum when twice VIN. This input voltage ripple input capacitor current ripple maximum duty cycle. input capacitor provides impedance loop edges pulsed current drawn AAT1160. ESR/ESL ceramic capacitors ideal this function. minimize stray inductance, capacitor should placed closely possible This keeps
output capacitor limits output ripple provides holdup during large load transitions. ceramic capacitor typically provides sufficient bulk capacitance stabilize output during large load transitions characteristics necessary output ripple. output voltage droop load transient dominated capacitance ceramic output capacitor. During step increase load current, ceramic output capacitor alone supplies load current until loop responds. Within three switching cycles, loop responds inductor current increases match
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1160.2007.11.1.1
AAT1160
SwitchRegload current demand. relationship output voltage droop during three switching cycles output capacitance estimated
12V, Step-Down DC/DC Converter
FOSC switching frequency COUT based output capacitor calculation. CCOMP value determined from following equation:
COUT
ILOAD VDROOP FOSC
CCOMP (C7)
2RCOMP (R5) FOSC
Once average inductor current increases load level, output voltage recovers. above equation establishes limit minimum value output capacitor with respect load transients. internal voltage loop compensation also limits minimum output capacitor value 22F. This effect loop crossover frequency (bandwidth), phase margin, gain margin. Increased output capacitance will reduce crossover frequency with greater phase margin. maximum output capacitor ripple current given
Layout Guidance
Figure schematic evaluation board. When laying board, following layout guideline should followed ensure proper operation AAT1160: Exposed must reliably soldered PGND/ DGND/AGND. exposed thermal should connected board ground plane pins ground plane should include large exposed copper under package thermal dissipation. power traces, including traces, traces trace should kept short, direct wide allow large current flow. connection pins should short possible. several pads when routing between layers. Exposed must reliably soldered pins exposed thermal should connected board connection inductor also pins plane should include large exposed copper under package thermal dissipation. input capacitors should connected close possible (Pins DGND (Pin good power filtering. Keep switching node away from sensitive node. feedback trace should separate from power trace connected closely possible load point. Sensing along highcurrent load trace will degrade load regulation. feedback resistors should placed close possible (Pin minimize length high impedance feedback trace. output capacitors should connected close possible there should signal lines under inductor. resistance trace from load return PGND (Pin should kept minimum. This will help minimize error regulation differences potential internal signal ground power ground.
IRMS(MAX)
VOUT (VIN(MAX) VOUT) FOSC VIN(MAX)
Dissipation current ceramic output capacitor typically minimal, resulting less than degrees rise hot-spot temperature.
Compensation
AAT1160 step-down converter uses peak current mode control with slope compensation scheme maintain stability with lower value inductors duty cycles greater than 50%. regulation feedback loop stabilized components connected COMP pin, shown Figure optimize compensation components, following equations used. compensation resistor RCOMP (R5) calculated using following equation:
RCOMP (R5)=
2VOUT COUT FOSC 10GEA GCOMP
Where 0.6V, GCOMP 40.1734 9.091 10-5.
1160.2007.11.1.1
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AAT1160
SwitchRegEnable TP14 4.75K 4.75K Enable TP13 DGND 0.1F
12V, Step-Down DC/DC Converter
DGND
AAT1160 COMP AGND SYNC
DGND DGND PGND
3.8H 100pF 150pF 432K
VOUT VOUT VOUT VOUT
DGND
TP10 SYNC
TP11
TP12
*Note: Connect GND, DGND, AGND Inductor -Sumida CDRH103RNP-3R3NC-B
SYNC
Figure AAT1160 Evaluation Board Schematic.
Figure AAT1160 Evaluation Board Component Side Layout.
Figure AAT1160 Evaluation Board Solder Side Layout.
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1160.2007.11.1.1
AAT1160
SwitchRegDesign Example
Specifications
VOUT FOSC TAMB Pulsed Load ILOAD nominal 800kHz 85°C TDFN34-16 Package
12V, Step-Down DC/DC Converter
Output Inductor
VOUT (VIN VOUT) 3.8µH; Table FOSC
0.32 ILOAD
Coilcraft inductor MSS1038 3.8H max.
VOUT 959mA FOSC 3.8µH 800kHz
IPK1 ILOAD
0.479A 3.48A
ILOAD2 117mW
Output Capacitor
VDROOP 0.2V
COUT
ILOAD 56µF; 22µF VDROOP FOSC 0.2V 800kHz (VOUT) (VIN(MAX) VOUT) (12V 277mArms FOSC VIN(MAX) 3.8µH 800kHz
IRMS(MAX)
Pesr IRMS2 (277mA)2 384µW
Input Capacitor
Input Ripple 50mV
ILOAD
26µF; 22µF 50mV 800kHz FOSC
IRMS(MAX)
ILOAD 1.5Arms
IRMS2 (1.5A)2 11.25mW
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AAT1160
SwitchRegAAT1160 Losses
Total losses estimated calculating dropout (VIN losses where power MOSFET RDS(ON) will maximum value. values assume 85°C ambient temperature 140°C junction temperature with TDFN 37°C/W package.
12V, Step-Down DC/DC Converter
PLOSS ILOAD2 RDS(ON)H 0.12 1.08W TJ(MAX) TAMB PLOSS 85°C (37°C/W) 1.08W 125°C
total losses also investigated nominal input voltage (12V). simplified version RDS(ON) losses assumes that N-channel P-channel RDS(ON) equal.
PTOTAL ILOAD2 RDS(ON) [(tsw FOSC ILOAD VIN]
100m [(5ns 800kHz 150µA) 12V] 1.0458W
TJ(MAX) TAMB PLOSS 85°C (37°C/W) 1.0458W 124°C
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1160.2007.11.1.1
AAT1160
SwitchRegOrdering Information
Package
TDFN34-16
12V, Step-Down DC/DC Converter
Marking1
XAXYY
Part Number (Tape Reel)2
AAT1160IRN-0.6-T1
AnalogicTech products offered Pb-free packaging. term "Pb-free" means semiconductor products that compliance with current RoHS standards, including requirement that lead exceed 0.1% weight homogeneous materials. more information, please visit website
Package Information
TDFN34-16
3.000 0.050 0.070 0.050 1.600 0.050
Index Area
4.000 0.050
2.350 0.050
0.230 0.050
0.25 1.600 0.050
0.430 0.050
View
Bottom View
0.750 0.050
0.050 0.050
0.230 0.050
Side View
dimensions millimeters. assembly date code. Sample stock generally held part numbers listed BOLD. leadless package family, which includes QFN, TQFN, DFN, TDFN STDFN, exposed copper (unplated) lead terminals manufacturing process. solder fillet exposed copper edge cannot guaranteed required ensure proper bottom solder connection.
Advanced Analogic Technologies, Inc. 3230 Scott Boulevard, Santa Clara, 95054 Phone (408) 737-4600 (408) 737-4611
Advanced Analogic Technologies, Inc. AnalogicTech cannot assume responsibility circuitry other than circuitry entirely embodied AnalogicTech product. circuit patent licenses, copyrights, mask work rights, other intellectual property rights implied. AnalogicTech reserves right make changes their products specifications discontinue product service without notice. Except provided AnalogicTech's terms conditions sale, AnalogicTech assumes liability whatsoever, AnalogicTech disclaims express implied warranty relating sale and/or AnalogicTech products including liability warranties relating fitness particular purpose, merchantability, infringement patent, copyright other intellectual property right. order minimize risks associated with customer's applications, adequate design operating safeguards must provided customer minimize inherent procedural hazards. Testing other quality control techniques utilized extent AnalogicTech deems necessary support this warranty. Specific testing parameters each device necessarily performed. AnalogicTech AnalogicTech logo trademarks Advanced Analogic Technologies Incorporated. other brand product names appearing this document registered trademarks trademarks their respective holders.
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0.450 0.050
0.35
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